Mac 'n' Cheese Burger – Rachael Ray

Ingredients

• Salt
• 1 pound cavatappi (hollow corkscrew pasta) or penne
• 1 tablespoon extra virgin olive oil (EVOO)
• 1 pound ground sirloin
• 3-4 tablespoons grated onion and its juice
• 2 teaspoons Worcestershire sauce (eyeball it)
• Salt and pepper
• 4 tablespoons butter, cut into pieces
• 3 tablespoons flour
• 1 cup chicken broth or stock
• 2 cups whole milk
• 1 tablespoon Dijon mustard
• 2 cups shredded cheddar cheese
• 1/4 cup chopped dill pickles, for garnish (optional)
• 2 plum tomatoes, seeded and diced, for garnish (optional)